In this interactive presentation with Exploratorium biologist Karen Kalumuck, find out how flowers entice bees, what bees see in a flower, and the importance of bees to agriculture. Also learn about Colony Collapse Disorder, which is causing once-thriving honeybee colonies to disappear.

The Cassini spacecraft continues to orbit Saturn, sending back astonishing images of the ringed planet and its moons. Join us as we look at the latest images and do some hands-on activities to help us understand.

Want to get off the grid but think it’s just too expensive? UCB's Dr. Jeff Grossman explains how nanotechnology may be used to make solar panels cheaper. We’ll also hear from philosopher Patrick Lin of the Nanoethics Group about ethical dilemmas that crop up when we try to improve our lives through nanotechnology.

Join us as we talk to South Pole scientists about Ice Cube, a major new telescope being built deep below the surface to detect ghostly neutrino particles. The neutrino telescope will use thousands of detectors spread over a square kilometer of ice below the South Pole to study cosmological mysteries such as black holes, gamma ray bursts, and the remnants of supernova explosions.

Webcasts made possible through
the generosity of the Gordon and Betty Moore Foundation, The Jim Clark
Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).